13results about How to "Increase design space" patented technology

The invention belongs to the technical field of metal-based composite materials, and discloses a double-metal composite material with a spiral layered structure and a preparation method thereof.The double-metal composite material with the spiral layered structure comprises framework metal and filling metal, the framework metal is of a spiral layered structure, and the spiral angle between every two adjacent layers is 30 degrees or 60 degrees or 90 degrees; the filling metal is filled in the gap of the framework metal; the volume fraction of the framework metal is 15%-75%, and the rest space is filled with the filling metal; the melting point of the framework metal is higher than that of the filling metal. According to the preparation method disclosed by the invention, the microstructure and the macroscopic form of the bimetallic composite material can be flexibly regulated and controlled, and the design and construction of a complex macro-microstructure are realized; the obtained double-metal composite material with the spiral layered structure is excellent in compressive strength, elastic modulus, corrosion resistance and the like.

The pneumatic clamp comprises a cylinder body, a first side face and a second side face, the first side face and the second side face are opposite to each other, the first side face is provided with a first air inlet and a second air inlet, and a piston body comprises a first piston parallel to the first side face, a second piston parallel to the second side face and a connecting body connecting the first piston and the second piston. When air enters the first air inlet, the first piston and the sliding blocks get close to each other, when air enters the second air inlet, the second piston and the sliding blocks get away from each other, in the process that the sliding blocks get close to or get away from each other, the positioning pins move in the guide grooves, at least one guide groove is obliquely arranged, and the value range of the inclination angle of the guide grooves is (0, pi / 2). According to the utility model, the original mode of driving the piston up and down is changed, and the piston is driven by the left side surface and the right side surface, so that the design space of the piston is increased in a disguised manner, the size of the piston is correspondingly enlarged, the acting area of the piston is greatly increased, and the acting force on the piston is further increased.

The application discloses a design method of an off-axis coaxial combined optical system based on asymmetric aberration compensation, and belongs to the technical field of optical system design. The method solves the problem that asymmetric aberration introduced by an off-axis part in the design of an off-axis coaxial combined optical system is difficult to be corrected compatibly with the rotationally symmetric aberration of a coaxial part. The optical system comprises an off-axis front group and a coaxial rear group. The design method is as follows: active compensation design of asymmetric aberration is performed on the off-axis front group, and an initial structure is built according to design requirements; the initial structure is subjected to field offset; an evaluation function of the off-axis front group for the compensation of asymmetric aberration about the optical axis is constructed; the asymmetric aberration of the off-axis front group is compensated and adjusted until the function value of the evaluation function is the minimum value. Correction design of the remaining rotationally symmetric aberration is performed on the coaxial rear group; the off-axis front group and the coaxial rear group are integrated and optimized, and the design is completed. The design method can be applied to the optimization of an existing off-axis coaxial combined optical system.

The utility model discloses a desktop range hood with wind wall, including the casing, be equipped with the smoke suction passageway in the casing, the front and rear both ends of casing are equipped with the suction port and the exhaust port with the intercommunication of smoke suction passageway, be equipped with the filter device for filtering oil fume on the casing, the side air outlet passageway is equipped with in the circumference of casing corresponding the rear of suction port, and the side air outlet passageway is independent with smoke suction passageway, be equipped with the side air outlet on the side air outlet passageway, and the side air outlet is independent with exhaust port, and the side air outlet blows out the air current and forms the wind wall, the casing is set up on the support seat, is equipped with the air -blowing device of the air supply of side air outlet passageway in the support seat, and the air -blowing device is equipped with the air supply fan, the air -blowing fan of the wind force of wind wall in the utility model produces is set up in the support seat, makes the head part volume smaller, can promote the design space of product, and the smoke suction passageway and side air outlet passageway are independent, and the wind wall air current produced by side air outlet passageway is produced by independent air supply fan, and the effect of wind wall preventing oil fume escape is more reliable.

The present invention discloses a two-dimensional deployment mechanism and deployment method based on a fixed surface antenna, which belongs to the technical field of deployment mechanism, and includes three groups of antenna reflection surface submodules, five pairs of locking mechanisms, four groups of folding and deployment mechanisms, a release mechanism and a guide rail device; each group of antenna reflection surface submodules includes five sections of antenna surface units; wherein there is no connection relationship between the antenna surface units, and the position of the antenna reflection surface is limited by the guide rail device fixed on the side of the reflection surface, and the five antenna reflection surfaces are not locked until the second step of deployment is completed. The deployment mechanism mainly acts in the first deployment, and it is connected to the satellite body. After the first step of deployment is completed, the space robot arm moves the antenna group after the first step of deployment to the waiting position, and then performs the second deployment. The present invention realizes the two-dimensional deployment of the fixed surface antenna, and can realize the simultaneous flipping and locking of multiple groups of antenna reflection surfaces, meeting the high-precision performance requirements of the overall antenna reflection surface.

The utility model discloses a novel narrow edge hand washing basin, including the basin body, the top surface rear side of basin body is provided with rear plane, be provided with faucet mounting port on the rear plane, the outside rear part of basin body is provided with two convex parts, and the two convex parts of basin body rear part are symmetrically arranged at the left side and the right side of faucet mounting port, and the two convex parts can enhance the mechanical strength of basin rear wall, and when installing, the threaded pipe section of faucet passes through faucet mounting port from top to bottom, and is connected and is installed with connecting nut, connecting water pipe and the like connecting pipe fittings below faucet mounting port, because the two convex parts are located at left and right sides, and the convex part does not hinder the connecting pipe fitting, compared with the traditional hand washing basin, can significantly reduce the distance of basin and wall, thereby making the rear plane narrow, can reduce the width of hand washing basin whole under the condition of keeping the existing basin capacity, to satisfy the demand of small area bathroom, or under the condition of keeping the overall width of hand washing basin, increase the volume of basin.

The utility model discloses an optical anti-shake and anti-collision structure and an OIS motor. The optical anti-shake and anti-collision structure comprises a base; the flexible circuit board is fixed on the top surface of the base; the carrier is arranged at the top of the flexible circuit board; at least two first impact assemblies are uniformly arranged at the bottom of the carrier in the circumferential direction; the top of the carrier is evenly provided with at least two second impact assemblies in the circumferential direction. The carrier bracket is arranged on the outer side of the carrier in a sleeving manner; each side face of the carrier support is provided with at least one third impact assembly. The top of the carrier support is evenly provided with at least two fourth impact assemblies in the circumferential direction. And the outer frame is arranged on the base in a sleeving manner, and the flexible circuit board, the carrier and the carrier bracket are accommodated in the outer frame. According to the optical anti-shake and anti-collision structure provided by the utility model, the size of the impact table can be selected according to actual requirements by utilizing the cooperation of the detachable impact table and the impact groove, so that the impact range is adjustable, and different anti-shake strokes and focusing strokes can be met.

The invention relates to the field of cigarette processing technologies, and provides a cigarette block slitting combination system and method. Comprising a belt conveyor, a chain conveyor, a liftable roller conveyor, a tobacco block push plate assembly, a rotatable rack, a slitting knife support frame assembly, a slitting knife support frame lifting assembly, a tobacco sheet push plate assembly, a rotatable belt conveyor, an electric control system and the like. After the box is opened, tobacco blocks are conveyed to the lifting roller way conveyor through the belt conveyor and the chain conveyor, the rotary rack drives the slitting knives on the slitting knife supporting frame to slit the tobacco blocks, the tobacco blocks are conveyed to the rotary belt conveyor, and after slitting, the tobacco sheets are conveyed to the follow-up movable belt conveyor to be encased, packaged and bundled. Meanwhile, tobacco sheet formula information is pasted, and tobacco block slitting and combining are completed. Through the method, the leaf group formula combination design can be randomly carried out, and a solid foundation is laid for improving the product design level and controlling the product quality stability.

The invention discloses a vector simulation method and device, electronic equipment and a storage medium, and relates to the technical field of optical metasurs.The vector simulation method comprises the steps that mapping calculation is conducted according to a preset scalar phase to obtain structural parameters of a target metasurface optical element; the structure parameters are input into a preset vector simulation model, a vector near-field simulation result of the target metasurface optical element is obtained, far-field lighting effect information of the target metasurface optical element is obtained according to the vector near-field simulation result, and the vector simulation model is a trained neural network model. The vector simulation speed for the metasurface optical element can be increased, and meanwhile consumption of computing resources is reduced.

The utility model belongs to the display imaging field, and specifically relates to a head-mounted optical system comprising a light source assembly comprising a first light source and a second light source; the first spectroscope is arranged between the first light source and the second light source, and two surfaces of the first spectroscope are respectively opposite to the first light source and the second light source; the reflecting assembly comprises a first reflecting mirror which is arranged opposite to the first spectroscope; the second reflecting mirror is arranged opposite to the first reflecting mirror; the third reflecting mirror is arranged opposite to the second reflecting mirror; light emitted by the first light source is transmitted by the first spectroscope to enter the first reflecting mirror, and is reflected by the first reflecting mirror, the second reflecting mirror and the third reflecting mirror in sequence to be emitted to the exit pupil, so that a first focal plane with a first focal plane depth is formed; light emitted by the second light source is reflected by the first spectroscope, then enters the first reflector, and is emitted to the exit pupil after being reflected by the first reflector, the second reflector and the third reflector in sequence, so that a second focal plane with a second focal plane depth is formed. Through the setting, the use experience is improved.

The invention discloses a high-gain high-order mode patch array antenna based on single-layer ridge gap waveguide feed, particularly relates to the technical field of wireless communication, and solves the problems that an antenna array in the prior art adopts a single-layer gap waveguide feed technology, the sizes of a metal ridge and a metal pin are limited by a small unit interval at high frequency, high processing precision is needed, and the antenna array is inconvenient to use. The high gain needs more antenna units, and huge pressure is applied to the layout and design of a single-layer feed network; according to the technical scheme, a substrate layer and a metal feed layer are stacked up and down, a metal patch unit is arranged on the upper surface of the substrate layer, and a wave guide metal ridge and a plurality of periodically arranged metal columns are arranged above the metal feed layer. The high-order mode TM30 mode of the metal patch unit is used as a radiation mode, and high gain is achieved.

The embodiments of the present application disclose a radio frequency path calibration method, device, storage medium and program product, which belong to the technical field of communication equipment production. The method includes: obtaining a first difference between the calibrated reference power and the measured power of a reference wireless communication module in a wireless module production jig at a target frequency; if the first difference between the reference power and the measured power is not less than a preset threshold, setting a first line loss according to the first difference, and repeatedly obtaining a second difference between the reference power and the measured power based on the current first line loss to update the first line loss, and determining the radio frequency path line loss at the target frequency according to the final first line loss and the second difference. It can achieve accurate determination of the radio frequency path line loss, thereby improving product quality, wide applicability, increasing the design space of wireless communication modules, and reducing costs.

The utility model discloses an annular coupling radiation structure antenna, comprising a PCB substrate, a radiation part and a feed ground part, the PCB substrate is used as a basic carrier and can provide physical support for the radiation part and the feed ground part of the antenna; the radiation part comprises a feed arm, a feed welding point is reserved at one end of the feed arm, the other end of the feed arm is connected with a high-frequency coupling radiation surface, the high-frequency coupling radiation surface is partially coupled with a gap of the feed arm, a low-frequency coupling radiation surface is arranged at the tail end of the high-frequency coupling radiation surface in an extending manner, and the low-frequency coupling radiation surface is annular; the feed ground part serves as a grounding area of the antenna and comprises a feed ground welding point located at one end of the feed ground part and a feed ground extension section extending towards the other end of the feed ground part. According to the utility model, the bandwidth of the antenna can be increased under the same size, the current situation that the space requirement and the performance are unbalanced in the existing antenna design is further relieved, and the antenna can realize effective bandwidth resonance with a smaller size requirement, so that the design requirement of the antenna is met in a limited environment.